Hannes Ljungberg
18b968d486
docker_swarm_service: Add healthcheck option (#52419)
* Define yaml versions as strings
* Add healthcheck option
* Add changelog fragment
* Don’t set version_added as strings
* Use single quoted string
* Disable healthcheck tests on python 2.6
* Bring back quoting on already quoted version-added
* Python 2.6 compat
* Move functions to docker-common
* Move parse_healthcheck to docker-common
* Cast exception to str before printing failure
* Extend parse_healthcheck tests